Sirona raised the lower end of its full-year profit prediction by 3 cents, saying that it now expects earnings of $3.36 to $3.43 per share. Analysts expect a profit of $3.56 per share.

On a constant currency basis, the company said it now expects revenue growth of between 10 percent and 12 percent. It previously predicted growth of 9 percent to 11 percent.

The company also said Friday that its board approved a new stock buyback program, allowing the repurchase of an additional $100 million in stock until June 30, 2016. The amount is in addition to the $7.4 million remaining as of March 31 under the company's previous $100 million stock buyback announced in 2011.